公开(公告)号：EP1350333A2

公开(公告)日：2003-10-08

申请号：EP02713398.2

申请日：2002-01-10

Applicant: QUALCOMM INCORPORATED

Inventor： PETERZELL, Paul, E. ,  MALDONADO, David ,  GARD, Kevin ,  SEE, Puay Hoe, Andrew ,  DUNWORTH, Jeremy, D. ,  SAHOTA, Kamal

IPC: H04B1/30 ,  H03D3/00 ,  H04B1/40

CPC classification number: H03D3/008 ,  G01N33/14 ,  H03D3/009

Abstract: A system and method for generating a local oscillator (LO) frequency in a zero intermediate frequency (IF) receiver or transmitter is presented. A signal is received from a voltage controlled oscillator (VCO). The signal has a VCO frequency. The VCO frequency is divided by a number N to produce a signal having a divided-down frequency. The signal having the VCO frequency is then mixed with the signal having the divided-down frequency to produce an output signal having an output frequency. Local oscillator leakage is reduced. Thus, the receiver or transmitter may operate in multiple wireless communication bands and modes and meet the associated specifications.

公开(公告)号：EP0941556A1

公开(公告)日：1999-09-15

申请号：EP97948519.0

申请日：1997-11-25

Applicant: QUALCOMM INCORPORATED

Inventor： MALDONADO, David

IPC: H04M1 ,  H01Q1 ,  H03H7 ,  H04B1

CPC classification number: H01Q1/246 ,  H01Q1/242 ,  H01Q1/32 ,  H03H2007/386 ,  H04B1/18 ,  H04B1/3833 ,  H04B1/3877 ,  H04B1/406

Abstract: A dual-band antenna coupler (100) for use in an adapter for portable radiotelephone (200). A plurality of curved bands of metal (204a-c) are positioned on a ground plane (102), with at least two of the plurality of curved bands (204a, 204b) of metal being electrically isolated from the ground plane (102) so as to couple radio frequency (RF) signals to and from the antenna (204) of the portable radiotelephone (200). The isolated curved bands (204a, 204b) of metal couple RF signals between the antenna (204) of the portable radiotelephone and first and second matching circuits (602, 604) designed to match the portable radiotelephone antenna (204) at each of the respective frequency bands. A selector switch (606) coupled to the output of the matching circuits (602, 604) selects the appropriate matching circuit output for connection to an external antenna (304). The adapter also includes at least one ground pin (206a-c) mounted on the ground plane (102). When the portable radiotelephone (200) is interfaced with the antenna coupler (100), the ground pin (206a-c) makes electrical contact with a ground reference connection on the portable radiotelephone (202a, 202b, 208).

公开(公告)号：EP0870201A1

公开(公告)日：1998-10-14

申请号：EP96944498.0

申请日：1996-12-26

Applicant: QUALCOMM INCORPORATED

Inventor： FUNK, Thomas, J. ,  MALDONADO, David

IPC: G01R29 ,  G01R31 ,  H01Q1 ,  H04B1 ,  H04B17

CPC classification number: H04B1/3877 ,  H01Q1/242 ,  H04B1/3833

Abstract: A novel and improved antenna adapter for interfacing a portable radiotelephone (200) with test equipment is disclosed. In a preferred embodiment, the adapter assembly comprises an RF connector (104) at one end of an elongated conductor (102) which connects directly to the radiotelephone's (200) antenna port, replacing the normal antenna assembly. The elongated conductor (102) makes electrical contact with an external ground (204) of the battery charging ports at the bottom of the radiotelephone (200) at another end. The RF connector (104) may be impedance-matched to minimize RF signal attenuation when connected to the RF test equipment. In an exemplary embodiment, the RF connector (104) comprises a 50 Φ impedance-matched SMA connector.

公开(公告)号：EP2502327A2

公开(公告)日：2012-09-26

申请号：EP10787940.5

申请日：2010-11-17

Applicant: Qualcomm Incorporated

Inventor： EL-MALEH, Khaled Helmi ,  KARMI, Yair ,  MINHAS, Sandip S. ,  RAGHAVAN, Srinivas ,  LI, Peng ,  MALDONADO, David ,  SELBY, MaryBeth ,  DAS, Saumitra Mohan

IPC: H02J7/04

CPC classification number: H02J7/0004 ,  G06Q30/0267 ,  G06Q30/0601 ,  H02J7/025 ,  H02J7/041 ,  H02J17/00 ,  H02J50/12 ,  H02J50/20 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037

Abstract: Exemplary embodiments are directed to wireless power management. A method may include detecting one or more wireless chargers for charging an energy storage device of one or more monitored energy storage devices if the energy storage device drops below a threshold value. Moreover, the method may include selecting a charging scheme for an electronic device associated with the energy storage device.

公开(公告)号：EP2502324A1

公开(公告)日：2012-09-26

申请号：EP10785263.4

申请日：2010-11-17

Applicant: Qualcomm Incorporated

Inventor： GRILLI, Francesco ,  MARTIN, Roger Wayne ,  SELBY, MaryBeth ,  MALDONADO, David ,  LUNDBY, Stein Arne ,  LI, Peng ,  MINHAS, Sandip S. ,  EL-MALEH, Khaled Helmi ,  KARMI, Yair

IPC: H02J7/00 ,  H02J7/02 ,  H02J17/00 ,  H04B5/00

CPC classification number: H02J7/0004 ,  G06Q30/0267 ,  G06Q30/0601 ,  H02J7/025 ,  H02J7/041 ,  H02J17/00 ,  H02J50/12 ,  H02J50/20 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037

Abstract: Exemplary embodiments are directed to selective wireless power transfer. A method may include transferring wireless power to at least one electronic device while varying at least one parameter of the wireless power transfer according to a wireless power transfer scenario.

公开(公告)号：EP2441150A1

公开(公告)日：2012-04-18

申请号：EP10737686.5

申请日：2010-06-11

Applicant: QUALCOMM Incorporated

Inventor： VON NOVAK, William H. ,  GRILLI, Francesco ,  DUNWORTH, Jeremy D. ,  MARTIN, Roger W. ,  VELASCO, Jonathan T. ,  SELBY, MaryBeth ,  MALDONADO, David ,  LUNDBY, Stein A. ,  LI, Peng ,  MINHAS, Sandip S. ,  EL-MALEH, Khaled Helmi ,  KARMI, Yair ,  RAGHAVAN, Srinivas ,  MOHAMMADIAN, Alireza Hormoz ,  OZAKI, Ernest T. ,  BURDO, Rinat

IPC: H02J7/00 ,  H02J7/02 ,  H02J7/34

CPC classification number: H02J50/90 ,  H02J7/0054 ,  H02J7/025 ,  H02J7/34 ,  H02J50/12 ,  H02J50/40

Abstract: Exemplary embodiments are directed to wireless power. A method may comprise receiving wireless power with a receiver and charging an accumulator with energy from the received wireless power. The method may further include conveying energy from the accumulator to an energy storage device upon a charging level of the accumulator reaching a threshold level.

公开(公告)号：EP2223432A1

公开(公告)日：2010-09-01

申请号：EP08867696.0

申请日：2008-12-18

Applicant: QUALCOMM Incorporated

Inventor： MALDONADO, David ,  SEE, Puay, Hoe ,  SUN, Bo ,  ZHANG, Guang ,  WALKER, Brett, C.

IPC: H04B1/04 ,  H04B1/40

CPC classification number: H04B1/0483 ,  H04B1/40 ,  H04B2001/0416

Abstract: A method for controlling the voltage of signals used to control power amplifiers is described. A first multiplexer and a second multiplexer are set to an enabling signal. The first multiplexer is on a first integrated circuit and the second multiplexer is on a second integrated circuit. A command is written to the first multiplexer to set the first multiplexer to one of a plurality of control signals used to control a power amplifier. A command is written to the second multiplexer to select one of the plurality of control signals that maps to the first multiplexer. The second integrated circuit is connected to a power supply.

公开(公告)号：EP0937312B1

公开(公告)日：2003-07-02

申请号：EP97950694.6

申请日：1997-11-25

Applicant: QUALCOMM Incorporated

Inventor： FUNK, Thomas, J. ,  MALDONADO, David

IPC: H01Q1/24 ,  H04B1/38 ,  G01R31/28

CPC classification number: H04B1/3877 ,  H01Q1/242 ,  H04B1/3833

Abstract: An antenna adapter (100) for interfacing a portable radiotelephone (200) with external equipment. In a preferred embodiment, a connector assembly (404) includes a first connector portion (406) that inserts directly into the radiotelephone's antenna port, replacing the normal antenna assembly. Matching electrical components (410) on a circuit board (400) are used to match the impedance of the antenna port of the portable radiotelephone. A second connector portion (408) typically uses conventional RF connectors to couple the radiotelephone antenna port to external equipment.

公开(公告)号：EP0829107A1

公开(公告)日：1998-03-18

申请号：EP97917159.0

申请日：1997-04-01

Applicant: QUALCOMM INCORPORATED

Inventor： MALDONADO, David

IPC: H01Q1 ,  H03H7 ,  H04B1

CPC classification number: H04B1/3877 ,  H01Q1/242 ,  H01Q1/246 ,  H01Q1/32 ,  H03H2007/386 ,  H04B1/18 ,  H04B1/3833 ,  H04B1/406

Abstract: A novel and improved antenna coupler (100) useful in an adapter for a portable radiotelephone (200). In a first embodiment, a plurality of curved bands (204a-204c) of metal are positioned on a ground plane (102), with at least one of the plurality of curved bands of metal (204a-204c) being electrically isolated from the ground plane (102) so as to couple RF signals to and from the antenna (204) of a portable telephone (200). At least one ground pin (206a, 206b, 206c) is also mounted on the ground plane (102). When a portable radiotelephone (200) is interfaced with the antenna coupler (100), the at least one ground pin (206a, 206b, 206c) makes electrical contact with assembly screws (202a, 202b) or an external ground pad (208) of a battery charging port on the portable radiotelephone (200). In a second embodiment, a coupling pin (404) makes direct contact with a component of the RF chain of the portable radiotelephone (200). In a third embodiment, a helical coupler (504) surrounds the antenna (204) of the portable radiotelephone (200).